Applications The Logging Application
236 Agilent 8163A/B, 8164A/B, and 8166A/B User’s Guide, Fourth Edition
Table 13 Logging Application On-Screen Messages
Agilent 8163A/B
Message
Agilent 8164A/B
Message
Description
OvR Overrange
One of the Power Meter channels has reported an overrange.
The over-ranged value is clipped, statistical data is invalid.
NoH No Head
There is an Optical Head Interface module inserted in the
mainframe that does not have an Optical Head connected to
it. No measurement is possible using this channel until you
either:
• reconnect an Optical Head or
• deselect this Optical Head channel as a power
measurement channel.
NoD No Data
No data has been measured or measurement is not yet fin-
ished. You cannot access the Analysis Screen yet. Printout
and file operations are not yet possible.